大约有 45,000 项符合查询结果（耗时：0.0662秒） [XML]
Running bash script from within python
...
The error in #!bin/bash is a missing /. #!/bin/bash works as I note in an answer.
– James Waldby - jwpat7
Dec 6 '12 at 14:44
...
How to use enums as flags in C++?
...uld NOT be the type of your variable. Your variable should be int and the error will go away.
Putting hexadecimal values like some other people suggested is not needed. It makes no difference.
The enum values ARE of type int by default. So you can surely bitwise OR combine them and put them tog...
Multiple HttpPost method in Web API controller
...
If I add like this it gives me an error ------------ namespace ImageDownloadApplication.Controllers { public class FrontModel { public string skus { get; set; } } [ActionName("ProductController")] public class ProductController ...
URL rewriting with PHP
... ...
default:
header('HTTP/1.1 404 Not Found');
Show404Error();
}
This is how big sites and CMS-systems do it, because it allows far more flexibility in parsing URLs, config and database dependent URLs etc. For sporadic usage the hardcoded rewrite rules in .htaccess will do fin...
How do I list all cron jobs for all users?
...xargs -r -0 rm
47 */8 * * * root rsync -axE --delete --ignore-errors / /mirror/ >/dev/null
17 1 * * * root /etc/cron.daily/apt
17 1 * * * root /etc/cron.daily/aptitude
17 1 * * * root /etc/cron.daily/find
17 1 * * * root /et...
Multiple levels of 'collection.defaultdict' in Python
... try:
return dict.__getitem__(self, item)
except KeyError:
value = self[item] = type(self)()
return value
Testing:
a = AutoVivification()
a[1][2][3] = 4
a[1][3][3] = 5
a[1][2]['test'] = 6
print a
Output:
{1: {2: {'test': 6, 3: 4}, 3: {3: 5}}}
...
calculating the difference in months between two dates
...d I copied the code which you wrote above, but I am receiving compile time error. Error 1 Operator '-' cannot be applied to operands of type 'NodaTime.LocalDate' and 'NodaTime.LocalDate'. I know this post from 5 years, did any thing changed from that time , which make the this code not working?
...
Ship an application with a database
...ataBase();
} catch (IOException e) {
throw new Error("Error copying database");
}
} else if (upgradeDatabase) {
/*
* If the database is upgraded by the copy and reload method, then
* the upgrade code needs to go he...
back button callback in navigationController in iOS
...o UINavigationBarDelegate, trying to call it will result in a compile time error. The solution I went with is to use Objective-C runtime to get the implementation directly and call it. Please let me know if anyone has a better solution.
The other problem is that navigationBar(_:shouldPop:) is calle...
What is NSLayoutConstraint “UIView-Encapsulated-Layout-Height” and how should I go about forcing it
...ecalculate this constraint and everything does lay out correctly after the error prints.
– Rog
Mar 18 '15 at 12:15
...